#!/bin/bash

echo -n "key in a number(1-10):"
read a
if [ "$a" -lt 1 -o "$a" -gt 10 ]; then
	echo "Enter Number."
	exit 2
fi

if [ ! "$a" -lt 5 ]; then
	echo "It's great equal 5."
else
	echo "It's less than 5."
fi
echo "accept key in value."